KOEN
White Shoal Light in the middle, with the lights within 20 km, in their listed colours.
White Shoal Light — light characteristic, height, range
One white flash every 5 seconds
Count 5 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 5s
- Height
- 125 ft · 38 m
- Nominal range
- 11 mi = 18 km
- Structure
- Red and white spiral bands on conical crib.
- Remarks
- HORN: 1 blast ev 30s (3s bl). Operates by keying microphone five times on VHF-FM Ch. 83A.
- Position
- 45.8417°N, 85.1357°W · MI

Lights nearby
- New Shoal Lighted Bell Buoy 3One green flash every 2.5 seconds · 3.0 km
- New Shoal Lighted Buoy 1One green flash every 4 seconds · 4.3 km
- Grays Reef Passage Channel Lighted Bell Buoy 4One red flash every 4 seconds · 6.7 km
- Grays Reef Passage Channel Lighted Buoy 5One green flash every 4 seconds · 6.7 km
- Grays Reef LightOne red flash every 10 seconds · 8.6 km
- Grays Reef Passage Channel Lighted Buoy 7One green flash every 4 seconds · 8.8 km
- Simmons Reef Lighted Bell Buoy 2One red flash every 4 seconds · 9.2 km
- GLF Sturgeon Bay Weather Buoy 1One yellow flash every 4 seconds · 15 km
Not for navigation. Use official NOAA charts and USCG Local Notices to Mariners.
Real periods; the phase is reconstructed from a fixed clock (real lights don't keep time with each other).
Sources: U.S. Coast Guard Light List (opens in a new tab) · Checked